Style up the modal and add the database file chooser widget

fitnesstrax/app/Cargo.toml

@@ -11,7 +11,7 @@ emseries        = { path = "../../emseries" }
 ft-core         = { path = "../core" }
 gio             = { version = "0.18" }
 glib            = { version = "0.18" }
-gtk             = { version = "0.7", package = "gtk4", features = [ "v4_8" ] }
+gtk             = { version = "0.7", package = "gtk4", features = [ "v4_10" ] }
 tokio           = { version = "1.34", features = [ "full" ] }
 
 [build-dependencies]

fitnesstrax/app/resources/style.css

@@ -0,0 +1,21 @@
+.modal {
+    margin: 64px;
+    background-color: @view_bg_color;
+    border: 1px solid grey;
+    border-radius: 10px
+}
+
+.modal-title {
+    font-size: larger;
+    padding: 8px;
+    background-color: @headerbar_bg_color;
+    border-bottom: 1px solid @headerbar_border_color;
+    border-radius: 10px 10px 0px 0px;
+}
+
+.modal-content {
+    padding: 8px;
+}
+
+.modal-footer {
+}

fitnesstrax/app/src/ui/modal.rs

@@ -22,7 +22,10 @@ impl ObjectSubclass for ModalPrivate {
     type ParentType = gtk::Box;
 
     fn new() -> Self {
-        let title = gtk::Label::builder().label("Modal").build();
+        let title = gtk::Label::builder()
+            .label("Modal")
+            .css_classes(["modal-title"])
+            .build();
         let content = gtk::Box::new(gtk::Orientation::Vertical, 0);
         let actions = gtk::Box::new(gtk::Orientation::Horizontal, 0);
         let primary_action = gtk::Button::builder().label("Primary").build();
@@ -30,6 +33,7 @@ impl ObjectSubclass for ModalPrivate {
         let footer = gtk::Box::builder()
             .orientation(gtk::Orientation::Horizontal)
             .hexpand(true)
+            .css_classes(["modal-footer"])
             .build();
         footer.append(&primary_action);
 
@@ -56,11 +60,8 @@ glib::wrapper! {
 impl Modal {
     pub fn new() -> Self {
         let s: Self = Object::builder().build();
+        s.set_css_classes(&["modal"]);
 
-        s.set_margin_start(100);
-        s.set_margin_end(100);
-        s.set_margin_top(100);
-        s.set_margin_bottom(100);
         s.set_orientation(gtk::Orientation::Vertical);
 
         s.append(&s.imp().title);
@@ -76,6 +77,9 @@ impl Modal {
 
     pub fn set_content(&self, content: gtk::Widget) {
         self.remove(&*self.imp().content.borrow());
+        content.add_css_class("modal-content");
+        content.set_hexpand(true);
+        content.set_vexpand(true);
         self.insert_child_after(&content, Some(&self.imp().title));
         *self.imp().content.borrow_mut() = content;
     }
@@ -105,7 +109,10 @@ pub fn welcome_modal() -> Modal {
         .orientation(gtk::Orientation::Vertical)
         .build();
 
-    content.append(&gtk::Label::new(Some("Welcome to FitnessTrax. The application has not yet been configured, so I will walk you through that. Let's start out by selecting your database.")));
+    let instructions = gtk::Label::builder()
+        .wrap(true)
+        .label("The application has not yet been configured, so I will walk you through that. Fortunately, it is very easy, and we only need to select the location for your database.").build();
+    content.append(&instructions);
 
     // The database selection row should be a box that shows a default database path, along with a
     // button that triggers a file chooser dialog. Once the dialog returns, the box should be
@@ -113,13 +120,28 @@ pub fn welcome_modal() -> Modal {
     let db_row = gtk::Box::builder()
         .orientation(gtk::Orientation::Horizontal)
         .build();
-    db_row.append(
-        &gtk::Label::builder()
+
+    let db_file_label = gtk::Label::builder()
         .label("No Path Selected")
         .hexpand(true)
-            .build(),
-    );
-    db_row.append(&gtk::Button::builder().label("Select Database").build());
+        .build();
+
+    let db_file_chooser = gtk::Button::builder().label("Select Database").build();
+    db_file_chooser.connect_clicked(|_| {
+        let no_window: Option<&gtk::Window> = None;
+        let not_cancellable: Option<&gio::Cancellable> = None;
+        gtk::FileDialog::builder()
+            .build()
+            .open(no_window, not_cancellable, |m_file_id| match m_file_id {
+                Ok(m_file_id) => println!("The user selected {:?}", m_file_id.path()),
+                Err(err) => println!("file opening failed: {}", err),
+            });
+    });
+
+    db_row.append(&db_file_label);
+    db_row.append(&db_file_chooser);
+
+    content.append(&db_row);
 
     modal.set_content(content.upcast());
     modal.set_primary_action(gtk::Button::builder().label("Save Settings").build());